F5 BIG-IP up to 14.1.5.2/15.1.8.0/16.1.3.2/17.0.0.1 Traffic Management Microkernel null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in F5 BIG-IP up to 14.1.5.2/15.1.8.0/16.1.3.2/17.0.0.1. Affected by this issue is some unknown functionality of the component Traffic Management Microkernel. Such manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2023-22839. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 14.1.5.2/15.1.8.0/16.1.3.2/17.0.0.1 (Firewall Software). It has been rated as critical. Affected by this issue is an unknown function of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The weakness was presented 02/01/2023 as K37708118. The advisory is shared for download at my.f5.com. This vulnerability is handled as CVE-2023-22839 since 01/13/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 14.1.5.3, 15.1.8.1, 16.1.3.3 or 17.0.0.2 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (F5 Networks): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP 14.1.5.3/15.1.8.1/16.1.3.3/17.0.0.2

Timelineinfo

01/13/2023 🔍
02/01/2023 +19 days 🔍
02/01/2023 +0 days 🔍
02/01/2023 +0 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K37708118
Status: Confirmed

CVE: CVE-2023-22839 (🔍)
GCVE (CVE): GCVE-0-2023-22839
GCVE (VulDB): GCVE-100-219968

Entryinfo

Created: 02/01/2023 20:43
Changes: 02/01/2023 20:43 (52)
Complete: 🔍
Cache ID: 216::103

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